[src/trunk]: src/external/bsd/mdocml/dist add missing attribute.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/80d309a741f1
branches:  trunk
changeset: 346556:80d309a741f1
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Jul 18 22:51:38 2016 +0000

description:
add missing attribute.

diffstat:

 external/bsd/mdocml/dist/mandoc_aux.h |  3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diffs (13 lines):

diff -r e41a4d585194 -r 80d309a741f1 external/bsd/mdocml/dist/mandoc_aux.h
--- a/external/bsd/mdocml/dist/mandoc_aux.h     Mon Jul 18 22:24:15 2016 +0000
+++ b/external/bsd/mdocml/dist/mandoc_aux.h     Mon Jul 18 22:51:38 2016 +0000
@@ -16,6 +16,9 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#if __GNUC__ - 0 >= 4
+__attribute__((__format__ (__printf__, 2, 3)))
+#endif
 int              mandoc_asprintf(char **, const char *, ...);
 void            *mandoc_calloc(size_t, size_t);
 void            *mandoc_malloc(size_t);